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Mon, 14 Apr 2025 13:35:42 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id 5YjKIS4P/WfQfwAAD6G6ig (envelope-from ); Mon, 14 Apr 2025 13:35:42 +0000 From: Thomas Zimmermann To: thierry.reding@gmail.com, mperttunen@nvidia.com, jonathanh@nvidia.com Cc: dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org, Thomas Zimmermann Subject: [PATCH 0/2] drm/tegra: Avoid struct drm_gem_object.import_attach Date: Mon, 14 Apr 2025 15:31:40 +0200 Message-ID: <20250414133242.567132-1-tzimmermann@suse.de> X-Mailer: git-send-email 2.49.0 Precedence: bulk X-Mailing-List: linux-tegra@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Score: -1.30 X-Spamd-Result: default: False [-1.30 / 50.00]; BAYES_HAM(-3.00)[99.99%]; SUSPICIOUS_RECIPS(1.50)[]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,suse.de:mid]; RCVD_VIA_SMTP_AUTH(0.00)[]; TAGGED_RCPT(0.00)[]; ARC_NA(0.00)[]; TO_DN_SOME(0.00)[]; MIME_TRACE(0.00)[0:+]; FROM_HAS_DN(0.00)[]; FREEMAIL_TO(0.00)[gmail.com,nvidia.com]; FROM_EQ_ENVFROM(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_TLS_ALL(0.00)[]; FUZZY_BLOCKED(0.00)[rspamd.com]; RCPT_COUNT_FIVE(0.00)[6]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FREEMAIL_ENVRCPT(0.00)[gmail.com] X-Spam-Flag: NO X-Spam-Level: Avoid the use of struct drm_gem_object.import_attach to get the object's dma-buf or test for an imported buffer. The import_attach field in struct drm_gem_object is an artifact of the import process, but should not be used otherwise. The helper drm_gem_is_imported() tests if a GEM object's buffer has been imported into the driver. The corresponding dma-buf is referenced by the object itself. Both cases avoid import_attach. Thomas Zimmermann (2): drm/tegra: Test for imported buffers with drm_gem_is_imported() drm/tegra: Use dma_buf from GEM object instance drivers/gpu/drm/tegra/gem.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) -- 2.49.0